Investigations of cylindrical ferrite coupled line junction using hybrid technique
Progress In Electromagnetics Research, 2011•jpier.org
In this paper, a novel longitudinally magnetized cylindrical ferrite coupled line (CFCL)
junction is proposed. In comparison to planar ferrite coupled line (FCL) configurations, which
are well known in literature, in such structure the higher gyromagnetic coupling occurs. This
allows to obtain the required in FCL devices Faraday rotation angle π/4 for the ferrite with
shorter length and lower value of magnetization. As a result the total insertion losses in the
ferrite section can be reduced using the proposed topology. In the analysis of the proposed …
junction is proposed. In comparison to planar ferrite coupled line (FCL) configurations, which
are well known in literature, in such structure the higher gyromagnetic coupling occurs. This
allows to obtain the required in FCL devices Faraday rotation angle π/4 for the ferrite with
shorter length and lower value of magnetization. As a result the total insertion losses in the
ferrite section can be reduced using the proposed topology. In the analysis of the proposed …
Abstract
In this paper, a novel longitudinally magnetized cylindrical ferrite coupled line (CFCL) junction is proposed. In comparison to planar ferrite coupled line (FCL) configurations, which are well known in literature, in such structure the higher gyromagnetic coupling occurs. This allows to obtain the required in FCL devices Faraday rotation angle π/4 for the ferrite with shorter length and lower value of magnetization. As a result the total insertion losses in the ferrite section can be reduced using the proposed topology. In the analysis of the proposed CFCL junction a hybrid technique combining method of moments and coupled mode method (MoM/CMM) is applied. The results are compared with the ones obtained from commercial software HFSS and a good agreement is obtained.
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